Something Revealed Itself by Bending the Light of a Distant Star in 2019—Now Astronomers Are Racing to Find Out What It Was
For just an hour in late 2019, a cosmic mystery revealed itself to astronomers in an unprecedented way:…
One of the Largest Stars in the Universe Just Changed Colors and Astronomers Think It Is About to Explode
Credit: ESO / L. Calçada, CC BY One of the largest known stars in the universe underwent a…